“心力”的英语可以翻译为：mental and physical efforts ...

“心力”的拼音为：xīn lì...

中心力是由球对称的势能函数而来的力.A central force is one derived from a potential - energy function that is spherically symmetric.有心力是一种径向力,它的大小只取于离原点的距离.A central force is a radial force which depends only on the distance from the orig...